Best To-Sua Ocean Trench Snorkeling

The 8th most popular snorkel dive spot in Samoa.

  Upolu Island, Samoa

  SNORKELINGDIVES.COM™

  June 10, 2020

Southeast of Apia on the south coast, the To-Sua Ocean Trench offers protected snorkeling in a collapsed lava dome. It is a giant swimming hole in an old lava field that is about 35m in diameter and 30m deep. The Samoan words "to" refers to deep-hole and "sua" refers to water. The waters of To-Sua Ocean Trench are teeming with tropical reef fish for snorkelers to obse...

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